Path: secnews.netscape.com!rls@netscape.com
From: Rob McCool 
Newsgroups: netscape.devs-nsapi
Subject: Re: How to Invoke CGI from NSAPI Function
Date: Tue, 19 Nov 1996 17:21:51 -0800

Giles Douglas wrote:
> 
> Gary Gies wrote:
> >
> > I have a simple (I hope) Question.
> >
> > Suppose that I have a NSAPI function that does a bunch of checks on a
> > query string, then depending on its value, may return data, or may want
> > to kick off a CGI to return data.
> >
> > So the question is...
> >
> > How do I kick off a CGI from within a NSAPI function.
> >
> > It is unclear how to do this.
> 
> Its actually documented in the netscape help pages somewhere I think,
> http://help.netscape.com
> 
> > I want DoIt to Run a cgi named mycgi in this cgi-bin directory.
> 
>   FuncPtr myptr;
>   myptr = func_find("send-cgi");
>   rval=(myptr)(pb,sn,rq);
> 
> Of course, you'll have to setup the filename you want to run
> 
>     pb_param *pp=pblock_find("ppath",rq->vars);
>     strcpy(pp->value,"/cgi-bin/doit.cgi");

This is correct. Two minor edits:

If DoIt is a NameTrans or AuthTrans function, then ppath is correct. 
Otherwise, it should be "path".

Also, it is safer to do:

  pb_param *pp = pblock_find("path", rq->vars);
  FREE(pp->value);
  pp->value = STRDUP("/path/to/cgi-bin/doit.cgi");

because in your case, if the path being replaced is shorter than 
/cgi-bin/doit.cgi, then you'll walk on innocent memory.


> 
> And set the content-type correctly:
> 
>   param_free(pblock_remove("content-type",rq->srvhdrs));
>   pblock_nvinsert("content-type","magnus-internal/cgi",rq->srvhdrs);
> 
> Of course, that was from memory, I probably forgot something. But its
> along those lines.
> 
> --
> ---
> Giles Douglas - giles@onlinemagic.net - Online Magic NY - 212 373 0237


--
Rob McCool, robm@netscape.com http://home.netscape.com/people/robm/
Stunt Programmer, Netscape Communications Corporation
It was working ten minutes ago, I swear...

Reproduced by permission of the author.